Notes of the recent structural studies on lead zirconate titanate

The Journal of Physical Chemistry. B
J Frantti

Abstract

Atomic scale structure has a central importance for the understanding of functional properties of ferroelectrics. The X-ray and neutron diffraction studies used for the average symmetry determination of lead zirconate titanate [Pb(ZrxTi(1- x))O3, PZT] ceramics and powders are reviewed. The results obtained through two frequently used local probes, transmission electron microscopy (TEM) combined with electron diffraction (ED) and Raman scattering measurements, are summarized. On the basis of these studies, structural trends as a function of composition x and temperature are outlined. There are two distinguished intrinsic structural features, (i) lead-ion shifts and (ii) local structural distortions related to different B cations and the spatial composition variation of x, which have a pronounced effect on the functional properties of PZT. Particular attention is paid to the morphotropic phase boundary (MPB) compositions for which a large number of different structural models have been proposed. Earlier symmetry considerations show that the monoclinic phase cannot serve as a continuous bridge between tetragonal and rhombohedral phases. This suggests that the two-phase coexistence has an important role for the piezoelectric proper...Continue Reading

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Citations

Jun 6, 2013·Accounts of Chemical Research·Darren J Goossens
Nov 3, 2016·ACS Applied Materials & Interfaces·Muhammad Asif RafiqPaula Maria Vilarinho
Sep 29, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·F CorderoC Galassi
Dec 23, 2014·Journal of Physics. Condensed Matter : an Institute of Physics Journal·J FranttiA M Glazer

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